GitHub Security Engineer Interview Questions

The questions to prepare for a GitHub Security Engineer interview. Questions from real interview reports rank first. Updated daily.

34questions

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CodingStart here. 3 questions · ~26 min

Stream login logs with per-IP sliding windows to detect brute-force and credential-stuffing attacks using bounded memory.

Real-Time Secret ScanningHard

Tests ability to design real-time secret detection and safe enforcement in a GitHub-like workflow.

Hash TablesStream ProcessingAutomation

GitHub

Dependency Tree Vulnerability FlaggingHard

Tests ability to build dependency analysis tooling to identify vulnerable packages at scale.

deduplicationAutomationspark

GitHub

Security & Infrastructure18 questions · ~153 min

Evaluates risk-based security decision-making for GitHub’s production traffic.

Least-Privilege IAM Across Large TeamsMedium

Assesses scalability of IAM and principle of least privilege in big orgs.

least privilegeaccess control

GitHub

Reconnaissance on an Unfamiliar SystemMedium

Assesses methodology for initial information gathering and threat modeling on new systems.

methodology

GitHub

CI/CD Security IntegrationMedium

Tests ability to balance security with engineering velocity in pipelines.

developer velocityCI/CDsecurity controls

GitHub

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Behavioral & Leadership13 questions · ~110 min

Communicating Through a Security IncidentEasy

Tests communication and problem-solving under pressure in a security context, with emphasis on stakeholder alignment and end-to-end ownership.

managerial interviewCommunicationProblem Solving

GitHub

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